Ergonomic head pillow



FIG. 1 is a top perspective view of an ergonomic head pillow showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a left-side elevation view thereof;

FIG. 7 is a back view thereof; and,

FIG. 8 is a front view thereof.

The broken lines in the figures show portions of the ergonomic head pillow, which form no part of the claimed design.

The dash-dot broken line in the figures define the bounds of the claimed design and form no part thereof. 

CLAIM I claim the ornamental design for an ergonomic head pillow, as shown and described. 